DEDHAM, Mass., Dec. 1, 2017 /PRNewswire/ -- Atlantic Power Corporation ("Atlantic Power") and Atlantic Power Preferred Equity Ltd. (TSX: AZP.PR.A, AZP.PR.B and AZP.PR.C) (the "Corporation"), a subsidiary of Atlantic Power, announced the dividend rate on the Corporation's outstanding Cumulative Floating Rate Preferred Shares, Series 3 (AZP.PR.C) (the "Series 3 Shares") will be 5.11%, which will be payable March 30, 2018.

The Series 3 Shares dividend rate was calculated on November 30, 2017 to be 5.11%, representing the sum of the Canadian Government 90-day Treasury Bill yield (using the three-month average result of 0.93%) plus 4.18%.

Tax Information for Shareholders

The Corporation designates the dividend on each of the Series 1 Shares, Series 2 Shares and Series 3 Shares to be an "eligible dividend" pursuant to subsection 89(14) of the Income Tax Act (Canada) and its equivalent in any of the provinces and territories of Canada. U.S. individual or other non-corporate taxpayers should be eligible for the reduced rate of tax currently applicable to "qualified dividends" provided that the investor meets the holding period and any other requirements. Taxpayers should always seek their own independent qualified professionals for advice regarding the tax consequences of purchasing or owning preferred shares of the Corporation.

About Atlantic Power Preferred Equity Ltd.

The Corporation is incorporated under the laws of the Province of Alberta and is an indirect, wholly-owned subsidiary of Atlantic Power. The Corporation holds, directly or indirectly, Atlantic Power's business and power generation and other assets in British Columbia and the United States.

About Atlantic Power

Atlantic Power owns and operates a diverse fleet of twenty-two power generation assets across nine states in the United States and two provinces in Canada. Atlantic Power's power generation projects sell electricity to utilities and other large commercial customers largely under long-term PPAs, which seek to minimize exposure to changes in commodity prices. The aggregate electric generating capacity of this portfolio on a gross ownership basis is approximately 1,793 megawatts ("MW"), and on a net ownership basis is approximately 1,440 MW. Eighteen of the projects are currently operational, totaling 1,633 MW on a gross ownership basis and 1,280 MW on a net ownership basis. The remaining four projects, all in Ontario, are not operational, three due to revised contractual arrangements with the offtaker and the other, Tunis, has a forward-starting 15-year PPA that will commence with the commercial operation of the plant before June 2019.

Atlantic Power's shares trade on the New York Stock Exchange under the symbol AT and on the Toronto Stock Exchange under the symbol ATP. For more information, please visit the Company's website at www.atlanticpower.com or contact:

Copies of the Company's financial data and other publicly filed documents are available on SEDAR at www.sedar.com or on EDGAR at www.sec.gov/edgar.shtml under "Atlantic Power Corporation" or on the Company's website.